Cast-iron core for the production of columns of braced reenforced concrete



Allg. 12,` 1.93.0. B, BAUER 1,772,769

CAST IRON CORE FOR THE PRODUCTION OF COLUMNS OF BRACED REENFORCED CONCRETE Filed Sept. 10.A 1927 2 Shoots-Sheet 1 Aug. t2, 1930'. Y a. BAUER 13725759 CAST IRON CORE, FOR THE PRODUCTION-0F cox-ams OF BRAGED REENFOHCED CONGRETE Filed sept. m. 1927 z shuts-shut 2 BRUNO BAUER' INVENTQFL 6. As an article of manufacture a metallic core as claimed n claim 2, further comprising a perforated sheet metal shell arranged around the ribs.

7. A metallic core for the purpose speciled, Comprising a column. having externally arranged ribs with notclesl therein, the ribs at the end of the column being of greater dameter than the rib at the other end andbracing Wires engaged in sadinotehe'sz In testimony whereof I ax my signature.

De; BRUN '0 BAUER. 

